'3 complete novels in one volume'. - The black castle (1978) - The silver skull (1979) - Citizen vampire (1981)
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
The Don Sebastian vampire chronicles by Les Daniels. ISBN 1854873431. Published by Raven Books in 1994. Publication and catalogue information, links to buy online and reader comments.
